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1004198481 = 321121389797
BaseRepresentation
bin111011110110101…
…101101001010001
32120222120120100100
4323312231221101
54024033322411
6243351243013
733612355236
oct7366555121
92528516310
101004198481
11475931200
12240379469
1313007a1b0
149752178d
155d260456
hex3bdada51

1004198481 has 72 divisors (see below), whose sum is σ = 1738474920. Its totient is φ = 554780160.

The previous prime is 1004198441. The next prime is 1004198509. The reversal of 1004198481 is 1848914001.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 1003622400 = 759^2 + 31680^2 .

It is not a de Polignac number, because 1004198481 - 29 = 1004197969 is a prime.

It is a super-2 number, since 2×10041984812 = 2016829178485414722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004198401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1259575 + ... + 1260371.

It is an arithmetic number, because the mean of its divisors is an integer number (24145485).

Almost surely, 21004198481 is an apocalyptic number.

1004198481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004198481 is a deficient number, since it is larger than the sum of its proper divisors (734276439).

1004198481 is a wasteful number, since it uses less digits than its factorization.

1004198481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1004198481 is about 31689.0908831415. The cubic root of 1004198481 is about 1001.3975396398.

It can be divided in two parts, 100419 and 8481, that added together give a square (108900 = 3302).

The spelling of 1004198481 in words is "one billion, four million, one hundred ninety-eight thousand, four hundred eighty-one".

Divisors: 1 3 9 11 13 33 39 89 99 117 121 143 267 363 429 797 801 979 1089 1157 1287 1573 2391 2937 3471 4719 7173 8767 8811 10361 10413 10769 12727 14157 26301 31083 32307 38181 70933 78903 93249 96437 96921 113971 114543 139997 212799 289311 341913 419991 638397 780263 867933 922129 1025739 1253681 1259973 2340789 2766387 3761043 7022367 8299161 8582893 10143419 11283129 25748679 30430257 77246037 91290771 111577609 334732827 1004198481